RepoMirrors/ceph
1
0
Fork 0
mirror of https://github.com/ceph/ceph synced 2024-12-27 22:13:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

PerfLocal: Doesnt' compile div64 for non-64 bits arch

Browse Source 
Signed-off-by: Haomai Wang <haomaiwang@gmail.com>
This commit is contained in:
Haomai Wang 2015-05-30 21:10:12 +08:00
parent 830054b419
commit 6fcf162dea
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/test/perf_local.cc
View File

@ -403,6 +403,7 @@ double div32()
// probably pick worse values.
double div64()
{
#if defined(__x86_64__) || defined(__amd64__)
int count = 1000000;
// NB: Expect an x86 processor exception is there's overflow.
uint64_t start = Cycles::rdtsc();
@ -419,6 +420,9 @@ double div64()
}
uint64_t stop = Cycles::rdtsc();
return Cycles::to_seconds(stop - start)/count;
#else
return -1;
#endif
}
// Measure the cost of calling a non-inlined function.
@ -596,6 +600,7 @@ double perf_cycles_to_nanoseconds()
}
#if defined(__x86_64__) || defined(__amd64__)
/**
* Prefetch the cache lines containing [object, object + numBytes) into the
* processor's caches.
@ -615,10 +620,12 @@ static inline void prefetch(const void *object, uint64_t num_bytes)
_mm_prefetch(p + i, _MM_HINT_T0);
#endif
}
#endif
// Measure the cost of the prefetch instruction.
double perf_prefetch()
{
#if defined(__x86_64__) || defined(__amd64__)
uint64_t total_ticks = 0;
int count = 10;
char buf[16 * 64];
@ -647,6 +654,9 @@ double perf_prefetch()
total_ticks += stop - start;
}
return Cycles::to_seconds(total_ticks) / count / 16;
#else
return -1;
#endif
}
/**
@ -968,7 +978,9 @@ void run_test(TestInfo& info)
{
double secs = info.func();
int width = printf("%-24s ", info.name);
if (secs < 1.0e-06) {
if (secs == -1) {
width += printf(" architecture nonsupport ");
} else if (secs < 1.0e-06) {
width += printf("%8.2fns", 1e09*secs);
} else if (secs < 1.0e-03) {
width += printf("%8.2fus", 1e06*secs);